[DDW-155] Persist "Blank screen fix" / "--safe-mode" flag between Daedalus restarts (#1979)

* fix persisting safemode by updating shell

* [DDW-155] Adds CHANGELOG

Co-authored-by: Nikola Glumac <niglumac@gmail.com>

Author: cleverca22

CHANGELOG.md

@@ -5,6 +5,7 @@ Changelog
 
 ### Fixes
 
+- Persist "Blank screen fix" / "--safe-mode" flag between Daedalus restarts ([PR 1979](https://github.com/input-output-hk/daedalus/pull/1979))
 - Track `cardano-node` / `jormungandr` PID and use it for safe shutdowns and improve cardano-launcher error handling ([PR 1972](https://github.com/input-output-hk/daedalus/pull/1972))
 - Fixed "Wallet import" UI/UX issues ([PR 1968](https://github.com/input-output-hk/daedalus/pull/1968))
 

nix/sources.json

@@ -12,15 +12,15 @@
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "cardano-shell": {
-        "branch": "master",
+        "branch": "persist-safemode",
         "description": "Node shell, a thin layer for running the node and it's modules.",
         "homepage": null,
         "owner": "input-output-hk",
         "repo": "cardano-shell",
-        "rev": "a85014d780cf3fa0ba5fabc3309c31e7ea6a3cfa",
-        "sha256": "035smmhb0xmxpr41ss3x86j5a78vy2zscxmd3wk73ps6hm6q4p0k",
+        "rev": "c6e46875900a44cbe4c2e738913af4f0436179c1",
+        "sha256": "0jharg7xxsfxqvay6r44frknwr6w8mq2llkacx00arjqsjf1n2h7",
         "type": "tarball",
-        "url": "https://github.com/input-output-hk/cardano-shell/archive/a85014d780cf3fa0ba5fabc3309c31e7ea6a3cfa.tar.gz",
+        "url": "https://github.com/input-output-hk/cardano-shell/archive/c6e46875900a44cbe4c2e738913af4f0436179c1.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "cardano-sl": {